EP2482445A3 - Independent, redundant overvoltage protection for a generator - Google Patents

Independent, redundant overvoltage protection for a generator Download PDF

Info

Publication number
EP2482445A3
EP2482445A3 EP11193781.9A EP11193781A EP2482445A3 EP 2482445 A3 EP2482445 A3 EP 2482445A3 EP 11193781 A EP11193781 A EP 11193781A EP 2482445 A3 EP2482445 A3 EP 2482445A3
Authority
EP
European Patent Office
Prior art keywords
generator
overvoltage protection
tripping
regulation
point
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP11193781.9A
Other languages
German (de)
French (fr)
Other versions
EP2482445A2 (en
EP2482445B1 (en
Inventor
Daxesh K. Patel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamilton Sundstrand Corp
Original Assignee
Hamilton Sundstrand Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hamilton Sundstrand Corp filed Critical Hamilton Sundstrand Corp
Publication of EP2482445A2 publication Critical patent/EP2482445A2/en
Publication of EP2482445A3 publication Critical patent/EP2482445A3/en
Application granted granted Critical
Publication of EP2482445B1 publication Critical patent/EP2482445B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/10—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
    • H02P9/107—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for limiting effects of overloads
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/06—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors
    • H02H7/065—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric generators; for synchronous capacitors against excitation faults
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
    • H02P9/48—Arrangements for obtaining a constant output value at varying speed of the generator, e.g. on vehicle

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Eletrric Generators (AREA)

Abstract

A generator controller provides independent and redundant overvoltage protection to an associated generator. The generator controller monitors the generator output at a first point of a regulation and a second point of regulation. A generator control unit (GCU) provides overvoltage protection based on the generator output monitored at the first point of regulation, including at least one of tripping a first generator control relay (GCR) to remove excitation from an exciter winding and tripping a generator line contactor (GLC) to disconnect the generator output from a bus. A overvoltage protection unit (OPU) provides independent, redundant protection based on the generator output monitored at the second point of regulation, including at one of tripping a second GCR to remove excitation from the exciter winding and tripping the GLC to disconnect the generator output from the bus.
EP11193781.9A 2011-01-28 2011-12-15 Independent, redundant overvoltage protection for a generator Active EP2482445B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13/015,698 US8232778B1 (en) 2011-01-28 2011-01-28 Independent, redundant overvoltage protection for a generator

Publications (3)

Publication Number Publication Date
EP2482445A2 EP2482445A2 (en) 2012-08-01
EP2482445A3 true EP2482445A3 (en) 2014-04-23
EP2482445B1 EP2482445B1 (en) 2018-02-07

Family

ID=45470276

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11193781.9A Active EP2482445B1 (en) 2011-01-28 2011-12-15 Independent, redundant overvoltage protection for a generator

Country Status (2)

Country Link
US (1) US8232778B1 (en)
EP (1) EP2482445B1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8941955B2 (en) * 2011-06-29 2015-01-27 Hamilton Sundstrand Corporation Overvoltage prevention in an aircraft electrical power generation system
US8929044B2 (en) * 2012-06-13 2015-01-06 Hamilton Sundstrand Corporation System and method for controlled overvoltage detection
US8853911B2 (en) 2012-09-28 2014-10-07 Hamilton Sundstrand Corporation Generator/motor wedge with lamination interface for reduced stress levels
US9018889B2 (en) 2012-12-18 2015-04-28 Hamilton Sundstrand Corporation Hardware-based, redundant overvoltage protection
FR3006817B1 (en) 2013-06-10 2016-11-18 Hispano Suiza Sa DEVICE AND METHOD FOR ASSISTING AN ELECTRIC GENERATION SYSTEM OF AN AIRCRAFT
FR3009452B1 (en) 2013-08-02 2017-07-21 Valeo Equip Electr Moteur SYSTEM FOR MANAGING A POWER SUPPLY VOLTAGE OF AN ELECTRICAL NETWORK ON THE EDGE OF A MOTOR VEHICLE
JP6187093B2 (en) * 2013-09-26 2017-08-30 株式会社ジェイテクト Power converter
US10003186B2 (en) * 2016-06-15 2018-06-19 Hamilton Sundstrand Corporation Variable-speed constant-frequency power control
DE102016218798A1 (en) * 2016-09-29 2018-03-29 Robert Bosch Gmbh Voltage regulator of an alternator
CN107454716B (en) * 2017-08-09 2023-07-21 山东旭程照明科技有限公司 Double-induction LED light-operated driving control system
CN107994550B (en) * 2017-11-08 2022-06-21 中国电力科学研究院有限公司 Coordination method and system for current collection line protection and fan box transformer fuse
US10944259B2 (en) 2018-10-08 2021-03-09 Cheng Bao System and method for over voltage protection in both positive and negative polarities
US11862963B2 (en) 2018-11-30 2024-01-02 Safran Power Usa, Llc Electrical system redundant overvoltage protection
US11424612B2 (en) * 2019-04-15 2022-08-23 Ge Aviation Systems Llc Method and apparatus for over voltage protection of a power system
US11936286B2 (en) 2022-05-10 2024-03-19 Hamilton Sundstrand Corporation Systems and methods for power generation control
US11705719B1 (en) * 2022-05-10 2023-07-18 Hamilton Sundstrand Corporation Fast disconnects for generator systems

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10012860A1 (en) * 1999-08-30 2001-03-08 Mitsubishi Electric Corp Control system for AC generator, e.g. for vehicle, has overvoltage circuit for controlling output voltage of alternating current generator on positive electrode side of magnetic field coil
US20060290324A1 (en) * 2005-06-22 2006-12-28 C.E. Niehoff & Co. Voltage regulator with improved protection and warning system
WO2008061357A1 (en) * 2006-11-24 2008-05-29 Satcon Power System Canada Ltd. Ground fault detector interrupter
US20080290735A1 (en) * 2007-05-24 2008-11-27 Verdant Power Remanent voltage generator tachometer and control for induction machine
US20100066314A1 (en) * 2008-09-18 2010-03-18 Plamen Petkov Generator control unit with fast field discharge

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3032701A (en) * 1959-06-12 1962-05-01 Siegler Corp Static excitation system for generators
JPS52120317A (en) * 1976-04-02 1977-10-08 Hitachi Ltd Field overvoltage protector for synchronous machine
US4297739A (en) * 1979-07-30 1981-10-27 Goldin Rodion G Device for exciting synchronous machine
US4973896A (en) * 1987-10-21 1990-11-27 Toyo Densan Company, Ltd. Automobile generator apparatus
US5583420A (en) * 1993-10-01 1996-12-10 Lucas Aerospace Power Equipment Corporation Microprocessor controller for starter/generator
JP4570982B2 (en) * 2005-02-25 2010-10-27 日立オートモティブシステムズ株式会社 Power generation control device and power generation device
ES2291103B1 (en) * 2005-12-30 2009-02-01 Universidad Publica De Navarra CONVERTER CONTROL METHOD AND SYSTEM OF AN ELECTRICAL GENERATION INSTALLATION CONNECTED TO AN ELECTRICAL NETWORK BEFORE THE PRESENCE OF VOLTAGE HOLES IN THE NETWORK.
US7978445B2 (en) * 2009-12-31 2011-07-12 General Electric Company Systems and apparatus relating to wind turbine electrical control and operation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10012860A1 (en) * 1999-08-30 2001-03-08 Mitsubishi Electric Corp Control system for AC generator, e.g. for vehicle, has overvoltage circuit for controlling output voltage of alternating current generator on positive electrode side of magnetic field coil
US20060290324A1 (en) * 2005-06-22 2006-12-28 C.E. Niehoff & Co. Voltage regulator with improved protection and warning system
WO2008061357A1 (en) * 2006-11-24 2008-05-29 Satcon Power System Canada Ltd. Ground fault detector interrupter
US20080290735A1 (en) * 2007-05-24 2008-11-27 Verdant Power Remanent voltage generator tachometer and control for induction machine
US20100066314A1 (en) * 2008-09-18 2010-03-18 Plamen Petkov Generator control unit with fast field discharge

Also Published As

Publication number Publication date
US20120194948A1 (en) 2012-08-02
US8232778B1 (en) 2012-07-31
EP2482445A2 (en) 2012-08-01
EP2482445B1 (en) 2018-02-07

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